Oolong tea (oolong tea), also known as green tea, semi-fermented tea and full-fermented tea, is a kind of tea category with distinctive Chinese characteristics. Oolong tea is a kind of tea which is produced after the process of picking, wilting, rolling, frying, rolling and baking. Oolong tea was developed from the song dynasty tea dragon group and phoenix cake, which was created in 1725 (the reign of emperor yongzheng of qing dynasty). After taste, the cheeks remain fragrant and the aftertaste is fresh. The pharmacological action of oolong tea is highlighted in the decomposition of fat, weight loss and fitness. In Japan, it is called "beauty tea" and "bodybuilding tea". Oolong tea is a unique tea in China. It is mainly produced in fujian, fujian, fujian, guangdong and Taiwan.